Oil Record Book Part II Entries -Annex I

As per MARPOL 73/78 Annex I every oil tanker of 150 gross tonnage and above is required to have an Oil Record Book Part II for Cargo/Ballast operations. This record book can be part of ship's official log book or a separate record book altogether.

After every operation is completed such as loading/internal transfer/unloading of oil cargo, ballasting of cargo tank, disposal of residues etc. an entry is to be made in the Oil Record Book Part II. The items to be recorded in record book have been grouped into operational sections, each of which is denoted by a code.

The important thing is any failure of the oil discharge monitoring and control system (ODMCS) shall be noted in the Oil Record Book Part II, also in the event of accidental or other exceptional discharge of oil or oily mixture or if other exceptional discharge of oil or oily mixture occur at sea a statement shall be made in the Oil Record Book Part II of the occurrence and the reasons for discharge should be mentioned.

The oil record book shall be well maintained, representable and should always be kept updated for inspection at any time.

Entries to be made in accordance with regulation 36 of MARPOL Annex I. When making entries in Oil Record Book, date operational code and item number shall be inserted in the appropriate columns and the required particular shall then be recorded in chronological order.

After completion of operation an entry to be made in record book and shall be signed for and dated by the officer in charge. Each completed page of the book shall be countersigned by the master of the ship.

List of Items to be recorded in Oil Record book Part II

[A] Loading of cargo

1. Place of loading

2. Type of oil loaded and identity of tank(s).

3. Total quantity of oil loaded (state quantity added, in cubic meters, at 15 deg C and the total content of tank(s), in cubic meters).

Oil Record book
ORB Entries for loading of all cargo tanks, partial tanks and Multiple grades

[B] Internal transfer of oil cargo during voyage

4. Identity of tank(s):

1. from:

2. to: (state quantity transferred and total quantity of tank(s), in cubic meters).

5. Was (were) the tank(s) in 4.1 emptied? (If not, state quantity retained, in cubic meters)

Oil Record Book
ORB Entry for internal transfer of cargo when tank is completely emptied or partial empty

[C] Unloading of oil cargo

6. Place of unloading.

7. Identity of tank(s) unloaded.

8. Was (were) the tank(s) emptied? (If not, state quantity retained, in cubic meters.)

ORB Entry for unloading of cargo tanks (Empty or Partial)

[D] Crude oil washing (COW tankers only)

(To be completed for each tank being crude oil washed)

9. Port where crude oil washing was carried out or ship's position if carried out between two discharge ports.

10. Identity of tank(s) washed.

(When an individual tank has more machines than can be operated simultaneously, as described in the Operations and Equipment Manual, then the section being crude oil washed should be identified, e.g. No.2 centre, forward section.)

11. Number of machines in use.

12. Time of start of washing.

13. Washing pattern employed.

(In accordance with the Operations and Equipment Manual, enter whether single-stage or multi-stage method of washing is employed. If multi-stage method is used, give the vertical arc covered by the machines and the number of times that arc is covered for that particular stage of the program.)

14. Washing line pressure.

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15. Time washing was completed or stopped.

16. State method of establishing that tank(s) was (were) dry.

17. Remarks.

(If the programmes given in the Operations and Equipment Manual are not followed,

then the reasons must be given under Remarks)

Oil Record Book Entry
ORB Entry after COW operation

[E] Ballasting of cargo tanks

18. Position of ship at start and end of ballasting.

19. Ballasting process:

1. identity of tank(s) ballasted;

2. time of start and end;

3. quantity of ballast received, indicate total quantity of ballast for each tank involved in the operation in cubic meters.

ORB Entry after ballasting of Cargo tanks (Time to be mentioned in LT or UTC)

[F] Ballasting of dedicated clean ballast tanks (CBT tankers only)

20. Identity of tank(s) ballasted.

21. Position of ship when water intended for flushing, or port ballast was taken to dedicated clean ballast tank(s).

22. Position of ship when pump(s) and lines were flushed to slop tank.

23. Quantity of the oily water, after line flushing, is transferred to the slop tank(s) or cargo tank(s) in which slop is preliminarily stored (identify tank(s)). State total quantity, in cubic meters.

24. Position of ship when additional ballast water was taken to dedicated clean ballast tank(s).

25. Time and position of ship when valves separating the dedicated clean ballast tanks from cargo and stripping lines were closed.

26. Quantity of clean ballast taken on board, in cubic meters.

Oil Record Book
ORB Entry after ballasting of dedicated clean ballast tanks (Time to be mentioned in LT or UTC)

[G] Cleaning of cargo tanks

27. identity of tank(s) cleaned.

28. Port or ship's position.

29. Duration of cleaning.

30. Method of cleaning.

31. Tank washings transferred to:

1. reception facilities (state port and quantity, in cubic metres);

2. slop tank(s) or cargo tank(s) designated as slop tank(s) (identify tank(s); state quantity transferred and total quantity, in cubic meters).

ORB entry after cleaning of cargo tanks (Time to be mentioned in LT or UTC)

[H] Discharge of dirty ballast

32. Identity of tank(s)

33. Time and position of ship at start of discharge into the sea.

34. Time and position of ship on completion of discharge into the sea.

35. Quantity discharged into the sea, in cubic meters.

36. Ship's speed(s) during discharge.

37. Was the discharge monitoring and control system in operation during the discharge?

38. Was a regular check kept on the effluent and the surface of the water in the identity of the discharge?

39. Quantity of oily water transferred to slop tank(s) (identify slop tank(s)). State total quantity, in cubic meters.

40. Discharged to shore reception facilities (identify port and quantity involved, in cubic meters).

ORB entry after discharge of dirty ballast

[I] Discharge of water from slop tanks into the sea

41. Identity of slop tanks

42. Time of settling from last entry of residues, or

43. Time of settling from last discharge

44. Time and position of ship at start of discharge

45. Ullage of total contents at start of discharge.

46. Ullage of oil/water interface at start of discharge.

47. Bulk quantity discharged in cubic meters and rate of discharge in m3/hr.

48. Final quantity discharged in cubic meters and rate of discharge in m3/hr.

49. Time and position of ship on completion of discharge.

50. Was the discharge monitoring and control system in operation during the discharge?

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51. Ullage of oil/water interface on completion of discharge, in meters.

52. Ship's speed(s) during discharge.

53. Was a regular check kept on the effluent and the surface of the water in the locality of the discharge?

54. Confirm that all applicable valves in the ship's piping system have been closed on completion of discharge from the slop tanks.

ORB Entry after discharge of water from slop into the sea

[J] Collection, transfer and disposal of residues and oily mixtures not otherwise dealt with

55. Identity of tanks.

56. Quantity transferred or disposed of from each tank. (State the quantity retained, in m3)

57. Method of transfer or disposal:

1. disposal to reception facilities (identify port and quantity involved);

2. mixed with cargo (state quantity);

3. transferred to or from (an)other tank(s) including transfer from machinery space oil residue (sludge) and oily bilge water tanks (identify tank(s); state quantity transferred and total quantity in tank(s), in m3; and

4. other method (state which); state quantity disposed of in m3.

ORB Entry for disposal of residues and oily mixtures not otherwise dealt with

[K] Discharge of clean ballast contained in cargo tanks

58. Position of ship at start of discharge of clean ballast

59. Identity of tank(s) discharged

60. Was (were) the tank(s) empty on completion?

61. Position of ship on completion if different from 58

62. Was a regular check kept on the effluent and the surface of the water in the locality of the discharge?

ORB entry for Discharging clean ballast contained in cargo tanks

[L] Discharge of ballast from dedicated clean ballast tanks (CBT tankers only)

63. identity of tank(s) discharged.

64. Time and position of ship at start of discharge of clean ballast into the sea.

65. Time and position of ship on completion of discharge into the sea.

66. Quantity discharged, in cubic meters:

1. in to the sea; or

2. to reception facility (identify port)

67. Was there any indication of oil contamination of the ballast water before or during discharge into the sea?

68. Was the discharge monitored by an oil content meter?

69. Time and position of ship when valves separating dedicated clean ballast tanks from the cargo and stripping lines were closed on completion of deballasting.

ORB Entry for Discharge of ballast from dedicated clean ballast tanks (CBT tankers only)

[M] Condition of oil discharge monitoring and control system

70. Time of system failure.

71. Time when system has been made operational.

72. Reasons for failure

ORB Entry for Condition of oil discharge monitoring and control system

[N] Accidental or other exceptional discharge of oil

73. Time of occurrence.

74. Port or ship's position at time of occurrence.

75. Approximate quantity, in cubic meters, and type of oil.

76. Circumstances of discharge or escape, the reasons therefor and general marks.

ORB Entry for Accidental or other exceptional discharges of oil

[O] Additional operational procedures and general remarks

Oil record book
Various Orb Entries that can be made under letter code O

Oil Record Book Entries for Tanker engaged in specific trades

[P] Loading of ballast water

77. identity of tank(s) ballasted.

78. Position of ship when ballasted.

79. Total quantity of ballast loaded in cubic meters.

80. Remarks

ORB Entry for loading of ballast water

[Q] Re-allocation of ballast water within the ship

81. Reasons for re-allocation

[R] Ballast water discharge to reception facility

82. Port(s) where ballast water was discharged.

83. Name or designation of reception facility

84. Total quantity of ballast water discharged in cubic meters.

85. Date, signature and stamp of port authority official.

2 Replies to “Oil Record Book Part II Entries -Annex I”

  1. kindly advise vessel carrying out pressure testing of cargo line prior arrival discharge port by cargo on oil tanker,this entry need to be made in oil record book under code -O .

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